<template>
  <div id="app">
    <!-- 路由占位符 -->
    <router-view />
  </div>
</template>
<script>
export default {
  name: 'app',
  // 防止数据丢失
  created () {
    //在页面加载时读取sessionStorage里的状态信息
    if (sessionStorage.getItem("store") ) {
      this.$store.replaceState(Object.assign({}, this.$store.state, JSON.parse(sessionStorage.getItem("store"))))
    }
    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener("beforeunload",()=>{
      sessionStorage.setItem("store", JSON.stringify(this.$store.state))
    })
  }
}
</script>
<style>
  .el-form-item__content{
    line-height: 32px;
  }
  .mb-10{
    margin-bottom: 10px;
  }
  .flex-row{
    display: flex;
    flex-direction: row;
  }
  .el-pagination.is-background .el-pager li:not(.disabled):hover{
    color: #67C23A;
  }
  .el-pagination.is-background .el-pager li:not(.disabled).active{
    background-color: #67C23A;
    color: #ffffff;
  }

  .success{
    color: #67C23A;
  }
  .success:hover{
    color: #85ce61;
  }
  .danger{
    color: #F56C6C;
  }
  .danger:hover{
    color: #f78989;
  }
</style>
